Which gas is usually liberated when an acid reacts with a metal? Illustrate with 3
an example. How will you test for the presence of this gas? Explain with the help
of an activity.
Answers
Answered by
7
Answer:
Hydrogen gas
Hydrogen gas is liberated when an acid reacts with a metal. For example, when zinc metal reacts with dil. hydrogen is evolved and salt zinc chloride is formed as: It can be tested by bringing a burning candle near the gas. The candle continues burning with a pop sound.
When an acid react with a metal it liberates hydrogen gas.
E.g., Zn(s) + 2HCl(aq) ZnCl2 (aq) + H2(g)
To test the presence of H2 gas, bring a burning splinter near the mouth of the test tube where H2 gas is released, the match stick bums with a pop sound
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Answered by
5
hey buddy
Correct answer is Hydrogen.
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